The green groups defend their behavior by saying they are improving the behavior of the corporations. But as these stories show, the pressure often flows the other way: the addiction to corporate cash has changed the green groups at their core. As MacDonald says, "Not only do the largest conservation groups take money from companies deeply implicated in environmental crimes; they have become something like satellite PR offices for the corporations that support them."

Eye opening report on our environment and how too many environmental groups are betraying our trust.

There are good groups yet, but it pays to look before supporting any organization.